Manual

Special Options 13-9
Indicator Status
The LEDs on the lower inside edge of each Curtain Indicator reports the status of the Light
Curtain system.
The following table describes the Light Curtain status associated with each LED color.
Table 13-3 Light Curtain Status Indicators
Indicator LED Color Status Condition
YELLOW
Sender is active and transmitting
normally. Both the amber and
yellow LEDs are
ON
during normal
operation.
Sender
AMBER
Power
ON
.
YELLOW
Dirt has been detected. Clean the
light curtain windows with a mild
cleanser and soft rag. Do not clean
with abrasive materials. If green
and amber lights are on, Safety
Interlock is
OFF
.
AMBER
Receiver is inactive.
RED
Receiver is either inactive or out of
alignment with the Sender. Call a
service technician.
Receiver
GREEN
Interlock is
ON
. Receiver is active
and operating normally. No fault
has been detected. If green and
amber lights are on, Safety
Interlock is
OFF
.